Texas Instruments CC2500 User Manual

CC2500
S
WRS040
C
Page
7
of
89
4
Electrical Specifications
4.1
Current Consumption
Tc = 25

C, VDD = 3.0 V if nothi
ng else stated. All measurement results obtained
usin
g the CC2500EM reference design
(
[4]
).
Parameter
Min
Typ
Max
Unit
Condition
/Note
400
nA
Voltage regulator to digital part off, register values retained
(SLEEP state)
. All
GDO
p
ins programmed to 0x2F (HW to 0)
900
nA
Voltage regulator to digital part off, register values retained, low
-
power RC oscillator running (SLEEP state with WOR e
nabled)
92

A
Voltage regulator to digital part off, register values retained,
XOSC running (SLEEP state with
MCSM0.OSC_FORCE_ON
set)
Current consumption in
power down modes
160

A
Voltage regulator to digital part on, all other modules in power
down (XOFF stat
e)
8.
1

A
Automatic RX polling once each second, using low
-
power RC
oscillator, with 460 kHz filter bandwidth and 250
kBaud
data rate,
PLL calibration every 4
th
wakeup. Average current with signal in
channel below carrier sense level
(
MCSM2.RX_TIME_RSS
I
=
1
).
35

A
Same as above, but with signal in channel
above
carrier sense
level, 1.9
5
ms RX timeout, and no preamble/sync word found.
1.4

A
Automatic RX polling every 15
th
second, using low
-
power RC
oscillator, with 460 kHz filt
er bandwidth and 250
kBaud
data rate,
PLL calibration every 4
th
wakeup. Average current with signal in
channel below carrier sense level
(
MCSM2.RX_TIME_RSSI
=1
)
.
34

A
Same as above, but with signal in channel
above
carrier sense
level,
29.3
ms RX timeo
ut, and no preamble/sync word found.
1.5
mA
Only voltage regulator to digital part and crystal oscillator running
(IDLE state)
Current consumption
7.4
mA
Only the frequency synthesizer is runni
ng (FSTXON state). This
current
consumption is also representative for the
other
intermediate states when going from IDLE to RX or TX, including
the calibration state.
17.0
mA
Receive mode, 2.4
kBaud
, input at sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=
0
14.5
mA
Receive mode, 2.4
kBaud
, inpu
t
well
above sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=
0
17.3
mA
Receive mode, 10
kBaud
, input at sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=
0
14
.9
mA
Receive mode, 10
kBaud
, input
well
above sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=
0
18.8
mA
R
eceive mode, 250
kBaud
, input at sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=0
15.7
mA
Receive mode, 250
kBaud
, input
well
above sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=0
16.6
mA
Receive mode, 250
kBaud
current optimized
, input at sensitivity
limit
,
MDMCFG2.DEM_DCFILT_OFF
=1
13.3
mA
Receive mode, 250
kBaud
current optimized
, input
well
above
sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=1
19.6
mA
Receive mode, 500
kBaud
, input at sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=0
Current consumption,
RX states
17.0
mA
Receive mod
e, 500
kBaud
, input
well
above sensitivity limit,
MDMCFG2.DEM_DCFILT_OFF
=0

Texas Instruments CC2500 Specifications

General

Brand	Texas Instruments
Model	CC2500
Category	Transceiver
Language	English